63145463 has 4 divisors (see below), whose sum is σ = 66859920. Its totient is φ = 59431008.

The previous prime is 63145447. The next prime is 63145469. The reversal of 63145463 is 36454136.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 63145463 - 2⁴ = 63145447 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63145469) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1857203 + ... + 1857236.

It is an arithmetic number, because the mean of its divisors is an integer number (16714980).

Almost surely, 2^63145463 is an apocalyptic number.

63145463 is a deficient number, since it is larger than the sum of its proper divisors (3714457).

63145463 is a wasteful number, since it uses less digits than its factorization.

63145463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3714456.

The product of its digits is 25920, while the sum is 32.

The square root of 63145463 is about 7946.4119576070. The cubic root of 63145463 is about 398.2117317389.

Adding to 63145463 its reverse (36454136), we get a palindrome (99599599).

The spelling of 63145463 in words is "sixty-three million, one hundred forty-five thousand, four hundred sixty-three".